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What is the Least Common Multiple of 16662 and 16666?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 16662 and 16666 is 138844446.

LCM(16662,16666) = 138844446

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Least Common Multiple of 16662 and 16666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16662 and 16666, than apply into the LCM equation.

GCF(16662,16666) = 2
LCM(16662,16666) = ( 16662 × 16666) / 2
LCM(16662,16666) = 277688892 / 2
LCM(16662,16666) = 138844446

Least Common Multiple (LCM) of 16662 and 16666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16662 and 16666. First we will calculate the prime factors of 16662 and 16666.

Prime Factorization of 16662

Prime factors of 16662 are 2, 3, 2777. Prime factorization of 16662 in exponential form is:

16662 = 21 × 31 × 27771

Prime Factorization of 16666

Prime factors of 16666 are 2, 13, 641. Prime factorization of 16666 in exponential form is:

16666 = 21 × 131 × 6411

Now multiplying the highest exponent prime factors to calculate the LCM of 16662 and 16666.

LCM(16662,16666) = 21 × 31 × 27771 × 131 × 6411
LCM(16662,16666) = 138844446